AC Weld Control - Miyachi - #1

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Both the Phasemaster 6 (PM6) and the Phasemaster 7 (PM7) are single-phase, sequence welding controls which effectively address many precision, small parts resistance welding applications. Both can be used with manual or air actuated weld heads and are compatible with Miyachi Unitek’s exclusive Unipulse® transformers. The value-priced, microprocessor controlled PM6 features a simple digital display and is able to save up to 8 different weld schedules, 7 of which are protected from unauthorized or inadvertent changes by Miyachi Unitek’s schedule protection feature. The final schedule serves as a scratch pad from which anyone can perform occasional or developmental jobs without jeopardizing the integrity of the production line. The remote schedule selection feature allows the PM6 to reliably select weld schedules in an automated environment. The full featured PM7 has 10 programmable welding functions and exclusive, contextsensitive help screens to quickly guide the user through even the most complex program. A unique automatic step feature makes it possible to step to a new schedule after a preset number of welds to compensate for electrode wear. PM7 allows operators to program up to 128 different weld schedules, 127 of which can be protected from changes by the schedule protection feature. As with PM6, the final schedule may be used as a scratch pad. PM7S includes the Weld Sentry® weld monitor. The Weld Sentry measures changes in weld voltage and current over user-definable time and analyzes the results with its built-in SPC capability. The built-in Sentry can identify trends and alert the operator, isolate potential quality problems, monitor electrode wear, detect missing or mispositioned parts, trigger external alarms and switches, perform SPC analyses, and help meet TQM and ISO 9000 requirements. • User-friendly displays • Half-cycle welding • Automatic line voltage compensation • Up to 128 discrete weld schedules • Remote schedule selection for use in automated systems • Up to 10 programmable weld functions resistance welding Phasemaster 6/ 7 / 7S Programmable AC Welding Controls A PM6 system with Model X5 Unipulse Transformer and Model 180A air actuated weld head. An integrated line of high performance transformers is available to complete your Phasemaster welding system.